The product, called the "TOG-ether bundle," hinges on a heretofore little-known Swedish belief that two duvets are better than one. According to Ikea's press release, replacing a larger duvet with two smaller ones is "an established sleeping method known to ensure Swedes win at sleeping when sharing a bed" — and now, it's coming to Ikea's U.K. stores.

Snuggling is overrated.Courtesy of Ikea

Ikea cites research stating that half of Brits regularly lose out on a good night’s sleep, with 10 percent blaming stolen covers and 40 percent blaming temperature control as the cause. Using two duvets apparently makes for happier bedfellows, ensuring that "the individual is able to choose preferred weight and warmth, be as tucked in as needed and not have their duvet stolen."

The name comes from Ikea's "tog rating" system, a measure of duvet weight and warmth. One person sleeps hot while the other sleeps cold? No problem! Choose-your-own TOGs are basically the top-layer version of those adjustable mattresses.

“Many of us find that not getting a good night’s sleep is becoming a regular occurrence," read a statement from Carol McSeveny, textiles leader of Ikea U.K. and Ireland. "Getting enough sleep is of utmost important for us to remain healthy and optimize our well-being. This is why we have introduced this traditional Swedish sleep trend of using two single duvets instead of a double, in U.K. stores for a short period, allowing couples to select a duvet from the bundle that suits them.”

Intrigued? Right now, Ikea's TOG-ether bundles are only available across the pond. But if you're interested in rigging your own double-duvet system, below are the top 5 best-sellers on Amazon.